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All results from a given calculation for C2H4O3 (trioxolane124)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-304.095610
Energy at 298.15K-304.102388
HF Energy-304.095610
Nuclear repulsion energy197.288164
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at mPW1PW91/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3141 2989 0.87      
2 A 3054 2906 0.60      
3 A 1555 1479 0.00      
4 A 1446 1376 16.15      
5 A 1243 1183 4.27      
6 A 1165 1109 0.09      
7 A 1087 1035 29.34      
8 A 1007 958 58.03      
9 A 909 864 19.62      
10 A 770 733 0.48      
11 A 385 366 6.24      
12 B 3141 2989 53.61      
13 B 3050 2902 146.24      
14 B 1542 1467 5.36      
15 B 1383 1315 5.62      
16 B 1236 1176 5.50      
17 B 1157 1101 13.00      
18 B 1142 1086 191.69      
19 B 986 938 3.75      
20 B 730 695 2.40      
21 B 166 158 16.49      

Unscaled Zero Point Vibrational Energy (zpe) 15147.0 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 14412.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at mPW1PW91/6-31G**
ABC
0.27807 0.27454 0.15470

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 1.181
C2 0.000 1.115 0.319
C3 0.000 -1.115 0.319
O4 -0.370 -0.618 -0.943
O5 0.370 0.618 -0.943
H6 -0.998 1.569 0.292
H7 0.998 -1.569 0.292
H8 0.765 1.839 0.612
H9 -0.765 -1.839 0.612

Atom - Atom Distances (Å)
  O1 C2 C3 O4 O5 H6 H7 H8 H9
O11.40921.40922.24312.24312.06162.06162.07142.0714
C21.40922.22962.17581.40581.09742.86411.09303.0651
C31.40922.22961.40582.17582.86411.09743.06511.0930
O42.24312.17581.40581.44112.59012.07423.12142.0157
O52.24311.40582.17581.44112.07422.59012.01573.1214
H62.06161.09742.86412.59012.07423.72031.81183.4314
H72.06162.86411.09742.07422.59013.72033.43141.8118
H82.07141.09303.06513.12142.01571.81183.43143.9832
H92.07143.06511.09302.01573.12143.43141.81183.9832

picture of trioxolane124 state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O1 C2 O4 74.019 O1 C2 H6 110.047
O1 C2 H8 111.129 O1 C3 O5 74.019
O1 C3 H7 110.047 O1 C3 H9 111.129
C2 O1 C3 104.577 C2 O4 O5 39.563
C3 O5 O4 39.563 O4 C2 H6 99.278
O4 C2 H8 143.320 O5 C3 H7 99.278
O5 C3 H9 143.320 H6 C2 H8 111.618
H7 C3 H9 111.618
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.516      
2 C 0.260      
3 C 0.260      
4 O -0.290      
5 O -0.290      
6 H 0.136      
7 H 0.136      
8 H 0.151      
9 H 0.151      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 1.100 1.100
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -28.057 0.058 0.000
y 0.058 -22.840 0.000
z 0.000 0.000 -33.345
Traceless
 xyz
x 0.035 0.058 0.000
y 0.058 7.861 0.000
z 0.000 0.000 -7.896
Polar
3z2-r2-15.793
x2-y2-5.217
xy0.058
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.941 0.260 0.000
y 0.260 5.783 0.000
z 0.000 0.000 3.795


<r2> (average value of r2) Å2
<r2> 83.145
(<r2>)1/2 9.118